Answers
The difference between analog and digital electronics is the signals and the components used.
Analog vs Digital
The electronics can be classified into categories: analog and digital electronics. Some differences between both of them are as follows :
Analog electronics use continuous signals while digital electronics use discrete signals or two-state signals. Analog electronics mainly uses passive components like resistors, and capacitors but sometimes use active components. Digital electronics use active components like transistors. Analog electronics use high voltage and high current whereas digital electronics use low voltage and current.Thus, two differences between analog and digital electronics are analog uses continuous signals while digital uses discrete signals. Then, the analog uses passive components whereas digital uses active components.
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Difference between analog and digital electronics:
Analog electronic deals with continuously varying signals. Digital electronics deals with binary signals.Analog signals are continuous, digital signals are discrete.Analog electronics tend to use passive components. Digital electronics use active components more.Analog electronics are electronics that deal with continuous signals. They generally provide a better and more accurate representation of changes in physical phenomena, such as position, pressure, and light.
Digital electronics are electronics that deal with binary signals. The digital signals for this type of electronics are represented using binary language (0's and 1's). Their circuits are usually composed of large assemblies of logic gates.
The difference between the two are the components used and the type of signal they deal with.
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Related Questions
which of the following statement is correct about the uses of nuclear energy?
Answers
Fossil fuels are produced from the dead plants and animals present under the ground. These fossil fuels are burned to release the energy.
The examples of the fossil fuels are coal, petroleum and natural gas.
These fossil fuels are present in limited amount, thus, the use of fossil fuel should be avoided.
Thus, option B is the correct answer.
Elvis and Noah want to move the piano in their living room. Elvis pushes from behind with a force of
400 N, and Noah pulls from the front using a rope with a force of 150 N. The piano has a mass of 225 kg,
and the friction force of the floor and the piano is 100 N.
Calculate the acceleration of the piano.
Round your answer to the nearest tenth.
Answers
Answer:
2.0 m/s
Explanation:
Remember that F = maF=maF, equals, m, a, where FFF is the net force, mmm is the mass of the object, and aaa is its acceleration. To solve this problem, we will need to first find the net force acting on the piano and then use F = maF=maF, equals, m, a to find the piano’s acceleration.
Hint #22 / 4
The net force is the sum of all of the forces on the piano. In this circumstance, Elvis's and Noah's forces are in the same direction, and the friction force is in the opposite direction. So, our net force equation would be:
=400 N+150 N−100 N
=450 N
Now, we can use F = maF=maF, equals, m, a and solve for the acceleration:
225 kg
450 N
=2.0
The acceleration of the piano is 2.0 m/s
The acceleration of the piano is 2m/s².
We know the formula for force is
F =ma
where f is force, m is mass and a is acceleration.
We need to calculate the total force used in moving the piano
F= Total force- Frictional force
F= 400N+150N-100N= 450N.
We have F=450N and m= 225kg
F=ma
450N= 225ˣ a
a= 450/225
a= 2m/s²
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What is scintillator
Answers
Answer:
Scintillators are materials that are able to convert high energy radiation such as X or gamma-rays to a near visible or visible light. They are widely used as detectors in medical diagnostics, high energy physics and geophysical exploration (ref. Knoll).
https://web.stanford.edu › scintillators
What are scintillator materials? - Stanford: Advanced Optical Ceramics Laboratory
An unstable particle is created in the upper atmosphere from a cosmic ray and travels straight down toward the surface of the earth with a speed of 0.99537 c relative to the earth. A scientist at rest on the earth's surface measures that the particle is created at an altitude of 40.0 km .
As measured by the scientist, how much time does it take the particle to travel the 40.0 km to the surface of the earth?
Answers
Answer:
Explanation:
Velocity relative to earth = .99537 c
= .99537 x 3 x 10⁸ m /s
= 2.98611 x 10⁸ m /s
distance relative to earth = 40 km = 40 x 10³ m .
Time measured by scientist
= 40 x 10³ / 2.98611 x 10⁸
= 13.395 x 10⁻⁵ s
= 134 μs.
A box of unknown mass is sliding with an initial speed v = 4.80 m/s across a horizontal frictionless warehouse floor when it encounters a rough section of flooring d = 4.70 m long. Thecoefficient of kinetic friction between the rough section of flooring and the box is 0.100. Using energy considerations, determine the final speed of the box (in m/s) after sliding across the rough section of flooring.m/s
Answers
Given data,
Initial speed of the box,
\(v=4.80\text{ m/s}\)Length of the floor,
\(d=4.70\text{ m}\)Coefficient of friction,
\(\mu_k=0.100\)Calculate the acceleration,
\(\begin{gathered} a=\text{coefficient of friction}\times g \\ a=0.100\times9.8 \\ a=0.98m/s^2 \end{gathered}\)Consider the kinematic equation of motion.
\(\begin{gathered} v^2=u^2-2ad \\ v^2=(4.80\text{ m/s})^2-2\times0.98m/s^2\times4.70\text{ m} \\ v^2=23.04-9.212^{} \\ v=3.717^{}\text{ m/s} \end{gathered}\)Therefore, the final speed of the box is
\(v=3.717\text{ m/s}\)Which best describes what happens when light traveling through air enters water at an angle?
It moves along straight lines in air and changes direction when it enters water.
O It moves in a curve in air and moves in straight lines when it enters water.
O It moves along straight lines in air and continues along the same lines when it enters water.
O It moves in a curve in air and continues moving in the same curve when it enters water.
Mark this and return
Save and Exit
Next
Submit
Answers
Answer:
When light traveling through air enters water at an angle, it moves in a curve in air and changes direction when it enters water. This bending of light is known as refraction. The angle at which the light bends depends on the difference in the refractive indices of the two media, which is why the light bends when it enters the denser medium of water.
what is the life cycle of a high mass star?
Answers
Answer:
they begin their life as a nebula, become a protostar, eventually becoming a main sequence star and finally becoming a red giant
Explanation:
Two 1kg masses as distance D as part each exerted a gravitational attraction Force on the other one. If 1kg is now add to each mass the gravitational attraction exerted by each would be
Answers
Answer:
Explanation:
m₁ = m₂ = m
m₁' = 2m₁ = 2m
m₂' = 2m₂ = 2m
F₁₂ = G·m₁·m₂ / D² = G·m² / D²
F'₁₂ = G·m'₁·m'₂ / D² = G·2m·2m / D² = 4·G·m²/ D = 4·F₁₂
Gravitational pull increased 4 times
basics of gravitation:
Planet a exerts a force on planet b. What can be said about the magnitude and direction of the gravitational force planet b exerts on planet a?
Answers
Answer:
Explanation:
According to Newton's Law of Gravitation, the gravitational force between two objects is always mutual, meaning that the force that one object exerts on the other is equal in magnitude but opposite in direction.
This means that if planet A exerts a gravitational force on planet B, then planet B will also exert a gravitational force on planet A. The magnitude of this force will be equal to the magnitude of the force that planet A exerts on planet B, but the direction will be opposite.
For example, if planet A exerts a gravitational force on planet B that is pulling planet B towards planet A, then planet B will also exert a gravitational force on planet A that is pulling planet A towards planet B. The magnitude of these two forces will be equal, but the directions will be opposite.
hat he sais
Answer:w
Explanation:
a floating boat weighs 20,000 N what is the size of the upthrust
Answers
Answer:
20,000N
explanation:
a body can only float when the upthrust
balances with the weight of the body,
hence in accord with the question,as the body floats the upthrust is equal to it's weight.
We have that For a floating boat weighing 20,000N, the size of the upthrust is
20,000N
From the question we are told
a floating boat weighs 20,000 N what is the size of the upthrust
Generally the equation for the upthrust is mathematically given as
U=W
The upthrust is Directly equal the weight it suspends or acts on in water or any liquid
Since
The upthrust is Directly equal the weight it suspends or acts on in water or any liquid
Therefore
The Upthrust must be Directly equal the Weigh
Therefore
For a floating boat weighing 20,000N, the size of the upthrust is
20,000N
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A stationary object is pushed with a force of 400N for 8s, resulting in its having a final velocity of 24m/s. What is its mass?
Answers
Answer:
The mass of the object is 133.33 kg
Explanation:
From Newton's second law of motion
F = ma
Where F is the force
m is the mass
and a is the acceleration
From the question,
A stationary object is pushed with a force of 400N, that is F = 400N. To determine the mass of the object,
First, we will determine the acceleration.
From one of the equations of kinematics for linear motion,
v = u + at
Where v is the final velocity
u is the initial velocity
a is the acceleration
and t is time
We can write that
v - u = at
Then, a = (v - u) / t
From the question,
t = 8s
v = 24m/s
u = 0 m/s (Since the object was stationary, that is, it was pushed from rest)
∴ a = (24m/s - 0m/s) / 8s
a = 24 / 8 = 3 m/s²
Therefore, acceleration is 3 m/s²
Now,
From F = ma
m = F / a
From the question
F = 400N
∴ m = 400N / 3m/s²
m = 133.33 kg
Hence, the mass of the object is 133.33 kg.
A billiard ball is moving initially at 16m/s and is accelerating at -2m/s^2. The ball travels 4m. What is the final velocity of the ball
Answers
Assuming constant acceleration, if v is the final velocity of the ball, then
v ² - (16 m/s)² = 2 (-2 m/s²) (4 m)
v ² = 240 m²/s²
v ≈ 15.5 m/s
03: Hook's law suggests that F is directly proportional to -x, how much true you have found this statement in your experiment? Explain any differences.
Answers
Hooke's Law can be given as follows sometimes:
The restoring force of a spring is equal to the spring constant multiplied by the displacement from its normal position:
F = -kx
Where, F = Restoring force of a spring (Newtons, N)
k = Spring constant (N/m)
x = Displacement of the spring (m)
The negative sign relates to the direction of the applied force and by convention, the minus or negative sign is present in F = -kx. The restoring force F is directly proportional to the displacement (x), according to Hooke's law. When the spring is compressed, the displacement (x) is negative. It is zero when the spring is at its original length and positive when the spring is extended.
Practically, Hooke's Law is applicable only within a limited frame of reference, and through experimenting, this statement proves to be true. Because materials cannot be compressed beyond a certain size or expanded beyond a certain size without some permanent deformation or change of their original state.
The law only applies under some conditions such as a limited amount of force or deformation. Factually, many materials will noticeably deviate from Hooke's law even before those elastic limits are reached.
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Cold water ~
has the highest density at what temperature.. ?
Answers
Answer:
The maximum density of water occurs at around 4° Celsius. The density of ice is less than liquid water, so it floats. Upon freezing, the ice density decreases by about 9%.
Explanation:
thanks for the question
Which of the following is a hypothesis?
A. The thickness of transparent glass affects how much light passes through.
B. Light may pass through a transparent sheet of glass.
C. A transparent sheet of glass has some effect on light.
D. Light will travel slowly through glass.
Answers
The hypothesis is, the thickness of transparent glass affects how much light passes through. Option A is correct.
A hypothesis is a proposed explanation or prediction for a phenomenon or observation that is based on limited evidence and subject to testing and validation through further investigation. It is an essential part of the scientific method, which involves developing a research question, making observations, and forming a hypothesis to explain the observed phenomenon.
The hypothesis should be testable, falsifiable, and based on evidence and reasoning. Testing the hypothesis involves designing experiments and collecting data, which can either support or refute the hypothesis. If the hypothesis is supported by the data, it may be further developed into a scientific theory, which is a widely accepted explanation of a natural phenomenon that has been extensively tested and validated. Option A is correct.
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Determine the volume of an object that has a mass of 455.6 g and a density of 19.3 g/cm3.
Answers
Answer:
V = 23.6062 cm³
General Formulas and Concepts:
Math
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightChemistry
Gas Laws
Density = mass / volumeExplanation:
Step 1: Define
Mass m = 455.6 g
Density D = 19.3 g/cm³
Step 2: Solve for V
Set up: 19.3 g/cm³ = 455.6 g / VIsolate V: V = 23.6062 cm³What is the formula s = dt used to calculate?
Answers
Which factors are used to calculate the kinetic energy of an object? Check all that apply.
gravity
velocity
volume
mass
height
Answers
Answer:
B. velocity and D. mass
Explanation:
The formula for kinetic energy is KE = 1/2 * m * v^2. The two variables in this equation are mass (m) and velocity (v).
Gravity and height are used to calculate potential energy, not kinetic energy.
Volume isn't used to calculate energy.
If a 75 W lightbulb is 15% efficient, how many joules of light energy does the bulb produce every minute?
Answers
Answer:
1 W = 1 J / sec Definition of watt is 1 joule / sec
So if a bulb uses 75 J / sec it must use
75 J/s * 60 sec / min = 4500 J/min energy used by bulb
If bulb is 15% efficient then the light delivered is
P = 4500 J / min * .15 = 675 J / min
The potential energy of a 40-kg cannonball is 14000 J. How high was the cannon ball to have this much potential energy?
Answers
Answer:
35.71 m
Explanation:
Potential energy is calculated using this formula:
PE = mghwhere m = mass (kg). g = gravitational acceleration on Earth (9.8 m/s²), h = height (m)We are given 3 out of the 4 variables in this problem. We want to solve for h, the height of the cannon ball.
List out the known variables:
PE = 14,000 J m = 40 kg g = 9.8 m/s² h = ? mSubstitute these values into the potential energy formula.
14,000 = (40)(9.8)h 14,000 = -392h h = 35.7142857143The cannonball was 35.71 m high to have a potential energy of 14,000 J.
Help my brain ain’t braining
Answers
The arrows are drawn in the figure which shows gravitational forces on each person on earth.
Gravitational force is force of attraction between two masses. Gravitational force(F) between two bodies is directly proportion to the product of masses(m₁,m₂) of two bodies and inversely proportional to square of distance(r) between them. mathematically it is written as,
F∝ m₁.m₂
F ∝ 1/r²
F = G m₁,m₂÷r²
where G is gravitational constant, whose value is 6.6743 × 10⁻¹¹ m³ kg-1s⁻².
Force is expressed in Newton N in SI unit. its dimensions are [M¹L¹T⁻²].
This is analogous with coulomb's law which gives force between two charges.
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A box with a mass of 6.25kg is sliding along a horizontal surface at constant velocity. It is pulled by a horizontal force, and the coefficient of kinetic friction between the box and the surface is 0.431. What is the work done, in joules, by the force of friction on the box as the box moves a distance of 0.497m?
Answers
The work done, by the force of friction on the box as the box moves a distance is 13.12 J.
What is work done by the force of friction?
The work done by force of friction is calculated from the product of force of friction and distance through which the object travelled and it is given as;
W = Fₙd
where;
Fₙ is the force of frictiond is the distance travelled by the objectW = μmg x d
Where;
μ is coefficient of kinetic frictionm is mass of the boxg is acceleration due to gravityd is the distance travelledW = 0.431 x 6.25 x 9.8 x 0.497
W = 13.12 J
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The mass of an object is 10 kg and it is pushed with an acceleration of 4 m/s² ! calculate the force with which the object was pushed ~
\( \\ \)
Answers
Explanation:
Force=mass×acceleration
mass=10kg, acceleration=4m/s²
force=10×4=40N.
A small box is held in place against a rough vertical wall by someone pushing on it with a force directed upward at 27 ∘ above the horizontal. The coefficients of static and kinetic friction between the box and wall are 0.40 and 0.30, respectively. The box slides down unless the applied force has magnitude 23 N .
Answers
The box slides down the wall unless an external force of magnitude 23 N is applied on it. The object is directed upward with an angle of 27° above the horizontal surface. Therefore, the mass of block is 1.90 kg
What is friction?
A friction is a kind of force which resists the sliding or rolling of objects over the surface of each other.
Applied force, F = 23 N
Coefficient of static friction, μs = 0.40
Coefficient of kinetic friction, μs = 0.30
θ = 27°
Let 'N' be the normal reaction of the wall acting on the block and 'm' be the mass of block.
Resolve the components of force 'F'
As the block is in horizontal equilibrium with the wall.
So,
F Cos27° = N
N = 23 Cos27° = 20.495 N
As the block does not slide so it means that the static friction force acting on the block balances the downwards forces (gravity) acting on the block.
The force of static friction is:
μs x N = 0.4 x 20.495 = 8.19 N .... (1)
The vertically downward force acting on the block is (mg - F Sin27°)
mg - 23 Sin 27° = mg - 10.441 ... (2)
Now by equating the forces from equation (1) and (2), we get
mg - 10.441 = 8.19
mg = 18.631
m x 9.8 = 18.631
m = 1.90 kg
Thus, the mass of block is 1.90 kg.
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Your question is incomplete, most probably the complete question is:
A small box is held in place against a rough vertical wall by someone pushing on it with a force directed upward at 27 ∘ above the horizontal. The coefficients of static and kinetic friction between the box and wall are 0.40 and 0.30, respectively. The box slides down unless the applied force has magnitude 23 N. What is the mass of the box in kilograms?
7) A moving object is rolling on a surface that is 5 m off the ground. The object is moving at a constant speed of 4 m/s. If the object is 3.2 kg, what is the final energy of the ball after rolling for 10 m, assuming friction is negligible?
156.8 J
131.2 J
182.4 J
25.6 J
8) A spreadsheet application is used to create a computational model of the energy experienced by a pendulum. How do the energy values of the pendulum relate?
The sum of the potential energy and the kinetic energy is always constant.
The sum of the potential energy and the kinetic energy is always 0.
The potential energy is always greater than the kinetic energy.
The kinetic energy is always equal to the potential energy.
Answers
131.2 J and The last one on number 8
I gave the same answer and it passed.
7) The final energy of the ball after rolling for 10 m is 182.4 J so, option C is correct.
8) When friction is negligible the total energy is the sum of kinetic and potential energy is constant so, option A is correct.
What is energy?Energy is the ability to perform work in physics. It could exist in several different forms, such as potential, kinetic, thermal, electrical, chemical, radioactive, etc. Additionally, there is heat and work, which is energy being transferred from one body to another.
Given:
A moving object is rolling on a surface that is 5 m off the ground,
The speed of the object, v = 4 m/s,
The mass of the object, m = 3.2 kg,
Calculate the kinetic energy after 10 meters as shown below,
KE = 1/2 × 4² × 3.2
KE = 25.6 J
Calculate the potential energy as shown below,
PE = 3.2 × 9.8 × 5
PE = 156.8 J
Thus, total energy = KE + PE
The total energy = 25.6 + 156.8
The total energy = 182.4 J
8) when there is no resistance. Combined mechanical energy I.e. the total amount of kinetic and potential energy is constant.
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Discussion: If you put something like a piece of cardboard between a magnet and an iron nail, the magnet still holds the nail in place, even though the magnet is not touching the nail Explain how that happens. Use the words induce, magnetic field, permanent magnet and temporary magnet in your response.
Answers
In rectilinear motion, motion depends on a?
Answers
Answer:
The object moving in a straight path is called linear or rectilinear motion.
An object is said to be in rectilinear motion if it changes its position,along a straight line path.
Explanation:
example: A car moving in a straight road.
A jet moving straight in air
A person fires a silver bullet with a muzzle speed of 200 m/s into the pine wall of a saloon. Assume
all the internal energy generated by the impact remains with the bullet. What is the temperature
change of the bullet? The specific heat of silver is 234 J/kg .℃.
Answers
The temperature change of the bullet is 85.47 ℃.
To calculate the temperature change of the silver bullet, we can use the equation:
ΔT = Q / (m * c)
where,
ΔT = temperature change
Q = heat transferred
m = mass of the bullet
c = specific heat capacity of silver
Since all the internal energy generated by the impact remains with the bullet, the heat transferred is equal to the change in internal energy.
The internal energy can be calculated:
U = (1/2) * m * \(v^{2}\)
where,
U = internal energy
v= velocity of the bullet
Given that the muzzle speed of the bullet is 200 m/s and the mass of the bullet is not provided, we cannot directly calculate the internal energy. However, we can assume a mass, such as 0.01 kg, for the bullet to proceed with the calculation.
Calculating the internal energy:
U = (1/2) * m * \(v^{2}\)
U = (1/2) * 0.01 kg * \((200 m/s)^{2}\)
U = 200 J
Now, we can calculate the temperature change:
ΔT = Q / (m * c)
ΔT = U / (m * c)
ΔT = 200 J / (0.01 kg * 234 J/kg.℃)
ΔT ≈ 85.47 ℃
Therefore, assuming a mass of 0.01 kg for the silver bullet, the temperature change is approximately 85.47 ℃.
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how do stocks and bonds differ
Answers
Answer:
Explanation:
Stocks give you partial ownership in a corporation, while bonds are a loan from you to a company or government. The biggest difference between them is how they generate profit: stocks must appreciate in value and be sold later on the stock market, while most bonds pay fixed interest over time.
Answer:
Stocks give you partial ownership in a corporation, while bonds are a loan from you to a company or government. The biggest difference between them is how they generate profit: stocks must appreciate in value and be sold later on the stock market, while most bonds pay fixed interest over time.
Explanation:
None
Two cars collide head-on and stick together.
Car A, with a mass of 2000 kg, was initially
moving at a velocity of 10 m/s to the east. Car
B, with an unknown mass, was initially at rest.
After the collision, both cars move together at
a velocity of 5 m/s to the west. What is the
mass of Car B?
OF
Answers
The mass of Car B is -6000 kg.
To solve this problem, we can apply the principle of conservation of momentum, which states that the total momentum before the collision is equal to the total momentum after the collision.
Therefore, we can write the equation for the conservation of momentum as:
(mass of Car A * velocity of Car A) + (mass of Car B * velocity of Car B) = (mass of Car A + mass of Car B) * velocity after collision
Let's substitute the given values into the equation:
(2000 kg * 10 m/s) + (mass of Car B * 0 m/s) = (2000 kg + mass of Car B) * (-5 m/s)
Simplifying the equation:
20000 kg*m/s = -5 m/s * (2000 kg + mass of Car B)
Dividing both sides by -5 m/s:
-4000 kg = 2000 kg + mass of Car B
Subtracting 2000 kg from both sides:
mass of Car B = -4000 kg - 2000 kg
mass of Car B = -6000 kg
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